SUBJECT INDEX TO VOLUME XIX Absorption, percutaneous, effect of dimethyl sulfoxide, 119, 163, 841 of radioactively labeled materials by ex- tracted teeth, 769 Acidic medium, hydrolysis of monostearin in, 707 Acne vulgaris, pathogenesis of, 644 Aging of human skin, four major theories, 829 Allergy from perfumes, 807 Alopecia, occurrence in nonhuman primates, 173 Antibacterial soap, influence of, on various effluents from axillae, 611 synergism in systems comprised of halogenated bisphenols and substituted ureas, 159 Antimicrobial agents, synergism in vitro of, 531 Axillae, influence of antibacterial soap on various effluents from, 611 Baldness in nonhuman primates, 173 Bandrowski's base, function of, in hair dye- ing, 141,823 in studies concerning the reactions of oxi- dation dye intermediates, 361 Bisphenols, halogenated, and substituted ureas, antibacterial synergism in sys- tems comprised of, 159 Bleaching of human hair, quantitative study, 275 Blind persons, economic employment of, in toiletries industry, 745 Chromatography, analysis of oxidation dye intermediates, 361 gas-liquid, for evaluation of vapor com- position over odorous products preced- ing and following permeation through plastic films, 713 thin-layer, for separation of oxidation products of p-phenylenediamine, 411 thin-layer, in study of metabolism of steroids by Cladosporium herbarum, 461 Cladosporium herbarum, metabolism of steroids by, 461 Color and its measurements, 649 natural, of hair, instrumental description and classification of, 595 science of, and eyesweet in cosmetics, 503 Conductometric testing and corrosion study of nonanhydrous ethanol systems for hair spray, 149 909 Consumer panels, local and national, com- parison in paired preference test, evaluation of responses, 381 role of, in research, 37 Corrosion study of nonanhydrous ethanol systems for hair spray, conductometric method for, 149 Cosmetic chemistry and esthetic medicine, relationship between, 799 Cosmetics, allergy from perfume in, 807 estimation of hexachlorophane in, 213 eyesweet and color science in, 503 industry, economic employment of blind persons, 745 industry, expansion and manufacturing function, 485 some rheological aspects of, 725 Crystals, liquid, mesomorphic phases of surfactant compositions, 581 Curl, polymer properties influencing reten- tion of, at high humidity, 863 Dandruff, severity of, objective method for evaluation, 669 Depilatories, effect of, on hair, quantitative study, 699 Detergents, interaction with human skin, 3 Differential thermal analysis studies of glyceryl monostearate, 109 Dimethyl sulfoxide, effect of, on percuta-- neous absorption, mechanistic study, 119, 163, 841 Dispersion, and mixing techniques, 225 of pigments in dry powder base, compari- son between three mechanical methods, 469 Dyes, for hair, function of Bandrowski's base in, 141,823 for hair, oxidation, effect of base com- ponents on properties of, 423 for hair, oxidation products of p-phenyl- enediamine in, 411 oxidation intermediates, reactions of, 361 rationale of synthesis program for, 351 Eczema, influence of detergents on, 3 Employment of blind persons in toiletries industry, 745 Emulsifiers, titration method for determina- tion of HLB's of, 129 Emulsions, effect of initial surfactant loca- tions on viscosity of, 683 nonaqueous, studies on, 627 phase equilib. rium diagrams for, 187

910 JOURNAL OF THE SOCIETY OF COSMETIC CHEMISTS Equilibrium, phase, diagrams approach to formulation of solubilized and emulsi- fied systems, 187 Ethanol, nonanhydrous, in hair spray, con- ductometric testing and corrosion study of, 149 Extrusion, of cosmetic products, 893 Eyebrow pencils, extrusion of, 893 Eyesweet and color science in cosmetics, 503 Feathers, red, chemical studies of iron pig- ments of, 675 Formulation of solubilized and emulsified systems, phase equilibrium diagrams as approach to, 187 Gel structure of ointments, 289 Glyceryl monostearate, studies of physical properties of, by X-ray diffraction, differential thermal analysis, and opti- cal microscopy, 109 Guinea pigs, skin of, used as membrane in studies of effect of dimethyl sulfoxide on percutaneous absorption, 119, 163, 841 Hair, chemically modified, mechanical hys- teresis of, 395 color of, instrumental description and classification of, 595 dyeing of, function of Bandrowski's base, 141,823 dyes, See Dyes. human, quantitative study of bleaching of, 275 quantitative study of effect of depilatory solutions on, 699 red, chemical studies of iron pigments of, 675 Hair spray, nonanhydrous ethanol systems for, conductometric testing and corro- sion study, 149 Heat exchange, Votator type, some experi- ences in developing plant and process for, 245 Hexachlorophane, estimation o[, in cosmetic products, 213 with substituted ureas, antibacterial synergism of, 159 HLB of emulsifiers, titration method [or determination of, 129 Hydrolysis of monostearin in acidic medium, 7O7 Hysteresis ratio, new parameter for me- chanical measure for chemically modi- fied hair, 395 Iron pigments of red hair and feathers, chemical studies, 675 Keratin, structure of, as basis for study of mechanical hysteresis of chemically modified hair, 395 Laboratory data, easy statistical tests for, 95 Lipliner pencils, extrusion of, 893 Lipstick base, two manufacturing methods for, 521 Magnesium sulfate, used to modify bro- mate-based permanent wave neutral- izer, 849 Manuscripts, directions for preparation of, 455 Medicine, esthetic, and cosmetic chemistry, relationship between, 799 Melanin pigmentation and relationship to melanocytes, 565 Melanocytes and melanin pigmentation, 565 Metabolism of steroids by Cladosporium herbarum, 461 Metrication, 449 Microscopy, optical, studies of glyceryl monostearate, 109 Mixing and dispersion techniques, 225 Monostearin, hydrolysis of, in acidic me- dium, 707 Neutralizer for permanent waving, per- formance and mechanism of action, 849 Obituary, Powers, D. H., 349 Ointments, gel structure of, 289 Pathogenesis of acne vulgaris, 644 Perfumes, allergy from, 807 Permanent wave neutralizer, performance and mechanism of action, 849 p-Phenylenediamine in hair dyes, oxidation products of, 411 Pigments, iron, of red hair and feathers, chemical studies of, 675 dispersion of, into dry powder base com- parison between three mechanical meth- ods, 469 Plant, data, easy statistical tests for, 95 development of, for Votator heat ex- change, 245 Polymer properties influencing curl reten- tion at high humidity, 863 Powder, dry, dispersion o[ pigments into, 469 Primates, nonhuman, baldness in, 173 Products, development of, and psycho- sensory reactions, 881 testing of, importance in sphere of product development, 21 Psychosensory reactions and product de- velopment, 849 Radioactively labeled compounds, absorp- tion of, by extracted teeth, 769 Research, role of consumer studies, 37 shortcomings and importance of product testing, 21 Rheological aspects of cosmetics, 725 Skin, color of, relationship of melanocytes and melanin pigmentation, 565 guinea pig, used as membrane in studies of effect of dimethyl sulfoxide on per- cutaneous absorption, 119, 163, 841 human, changes in light of current theories of aging, 829 human, interaction of detergents with, 3